ARP Studs and nuts
Jaguar: E-Type V12 Series 3 (1971-74) • XJ12 Series I, II and III (1972-92) • XJS 5.3 and 6.0 V12 (1975-96) • XJ40 (XJ) 6.0 V12 from VIN...673299 to 708757 (1992-94) • X300 (XJ) 6.0 V12 from VIN...720125 to 812255 (1993-97)
cylinder head - high grade 8470 chrome moly with a tensile strength of 190.000 psi ensure substantial strength and reduces stretching
ARP is one of the most renowned screw manufacturers for motorsport: well-known racing teams from Formula 1, Nascar and Indycar series trust the excellent quality.
The threads are rolled into high-strength steel. This non-cutting process does not interrupt the fibre flow, unlike thread cutting. On the contrary, the cold forming process hardens the structure of the surface.
The benefit lies in the high safety reserves of the most heavily loaded components in the engine.